package org.example.alicloud.controller;

import com.alibaba.cloud.sentinel.datasource.RuleType;
import com.alibaba.csp.sentinel.annotation.SentinelResource;
import com.alibaba.csp.sentinel.slots.block.BlockException;
import org.example.alicloud.handler.CustomerBlockHandler;
import org.example.alicloud.model.CommonResult;
import org.example.alicloud.model.Payment;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * @author gaoqiang
 */
@RestController
public class RateLimitController {
    @GetMapping("/rate/byResource")
    @SentinelResource(value = "byResource",blockHandler = "handleException")
    public CommonResult byResource(){
        return new CommonResult(200,"按资源名称限流测试",new Payment(2020L,"serial001"));
    }

    public CommonResult handleException(BlockException exception){
        //RuleType
        return new CommonResult(444,exception.getClass().getCanonicalName()+"\t服务不可用");
    }

    @GetMapping("/rate/byUrl")
    @SentinelResource(value = "byUrl", blockHandler = "handleException")
    public CommonResult<Payment> byUrl() {
        return new CommonResult<>(200, "按URL限流测试", new Payment(7L, "serial 7"));
    }

    @GetMapping("/rate/customerBlockHandler")
    @SentinelResource(value = "customerBlockHandler",
            blockHandlerClass = CustomerBlockHandler.class,
            blockHandler = "handlerException2")
    //指定由CustomerBlockHandler类的handlerException2方法处理限流
    public CommonResult customerBlockHandler(){
        return new CommonResult(200,"按客户自定义",new Payment(2020L,"serial003"));
    }
}
